How far is South Bel Air, MD from Potomac Heights, MD?

The driving distance from South Bel Air, MD to Potomac Heights, MD is about 89.9 miles (144.6 km), with a travel time of about 02h 10m by car.

  • The straight-line flight distance is about 77.1 miles (124 km).
  • For a round trip, plan for roughly 04h 21m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
89.84 mi
02h 10m
Flight
77.04 mi
123.98 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from South Bel Air.

Flight Distance

Direct air line
77.04 mi
Kilometers
123.98 km
Flight Time
00h 09m

Driving Distance

Road route
89.84 mi
Kilometers
144.58 km
Drive Time
02h 10m

Gas Cost Calculator

Leave and Arrive Planner

Pick a departure time to see your estimated arrival and same-day return window.

Drive time stays fixed at 02h 10m.

Arrival Snapshot
Arrive in Potomac Heights
Wed, Sep 23, 2:43 PM EDT
Return by in South Bel Air
Wed, Sep 23, 4:54 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave South Bel Air
2026-09-23T12:33
Arrive Potomac Heights
Wed, Sep 23, 2:43 PM EDT
Route Timing
02h 10m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:11 AM to 12:11 PM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
2:08 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in South Bel Air
9:30 PM EDT
Morning start is best

You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Maryland City
MD

Census designated place in Anne Arundel County, Maryland, United States

From South Bel Air
44.9 mi
01h 05m
To Potomac Heights
44.9 mi
01h 05m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
65°F
Wednesday

Chance Light Rain then Cloudy

Starts
Wed, Sep 23 6:00 AM EDT
Wind
14 mph NE
Destination
64°F
Wednesday

Light Rain Likely

Starts
Wed, Sep 23 6:00 AM EDT
Wind
12 to 15 mph NE

Driving Route Map

The map below follows the saved road route between South Bel Air and Potomac Heights.

Turn-by-Turn Driving Directions

Step-by-step road directions between South Bel Air and Potomac Heights.

  1. 1

    Start on South Shamrock Road

    1811 ft · 1 min · South Shamrock Road

  2. 2

    At the end of the road, turn right onto East MacPhail Road

    1341 ft · 45 sec · East MacPhail Road

  3. 3

    Turn left onto South Main Street

    151 m · 14 sec · South Main Street

  4. 4

    Continue on Emmorton Road

    3158 ft · 1 min · Emmorton Road

  5. 5

    Turn right onto West Ring Factory Road

    3105 ft · 2 min · West Ring Factory Road

  6. 6

    Turn left onto Vietnam Veterans Memorial Highway

    3.9 mi · 6 min · Vietnam Veterans Memorial Highway

  7. 7

    Take the exit slight right toward I 95 South: Baltimore

    1 km · 1 min

  8. 8

    Merge slight left onto John F. Kennedy Memorial Highway

    8.1 mi · 9 min · John F. Kennedy Memorial Highway

  9. 9

    Keep slight left to continue on Express Toll Lanes

    6.5 mi · 8 min · Express Toll Lanes

  10. 10

    Keep slight left to continue on Express Toll Lanes

    1.2 mi · 2 min · Express Toll Lanes

  11. 11

    Merge slight right onto Harbor Tunnel Thruway

    3.8 mi · 5 min · Harbor Tunnel Thruway

  12. 12

    Continue on Baltimore Harbor Tunnel

    1.4 mi · 2 min · Baltimore Harbor Tunnel

  13. 13

    Continue on Harbor Tunnel Thruway

    2.2 mi · 3 min · Harbor Tunnel Thruway

  14. 14

    Continue on Harbor Tunnel Throughway

    2567 ft · 40 sec · Harbor Tunnel Throughway

  15. 15

    Keep slight left to continue on Harbor Tunnel Throughway

    2671 ft · 42 sec · Harbor Tunnel Throughway

  16. 16

    Continue on Harbor Tunnel Thruway

    1.3 mi · 2 min · Harbor Tunnel Thruway

  17. 17

    Take the exit slight right toward MD 295 South: Essex, BWI Marshall Airport

    2423 ft · 59 sec

  18. 18

    Merge slight left onto Baltimore-Washington Parkway

    27.1 mi · 37 min · Baltimore-Washington Parkway

  19. 19

    Keep slight left to continue on US 50 East: Richmond, Annapolis

    2902 ft · 35 sec

  20. 20

    Continue on Kenilworth Avenue Freeway

    2.2 mi · 3 min · Kenilworth Avenue Freeway

  21. 21

    Continue on Anacostia Freeway

    8.4 mi · 13 min · Anacostia Freeway

  22. 22

    Keep slight right to continue on Indian Head

    1.6 km · 2 min

  23. 23

    Keep slight left to continue on MD 210 South

    1391 ft · 34 sec

  24. 24

    Merge slight left onto Indian Head Highway

    9.6 mi · 14 min · Indian Head Highway

  25. 25

    Continue on Indian Head Highway

    7.6 mi · 12 min · Indian Head Highway

  26. 26

    Turn right onto Glymont Road

    1.1 km · 2 min · Glymont Road

  27. 27

    Enter the roundabout and take exit 1 toward Greenwood Avenue

    33 m · 5 sec · Greenwood Avenue

  28. 28

    Exit the roundabout onto Greenwood Avenue

    101 m · 15 sec · Greenwood Avenue

  29. 29

    Arrive at your destination

    0 m · 1 sec · Greenwood Avenue

Car Route Details

A richer read on the saved driving route between South Bel Air and Potomac Heights.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
29 steps
7 turns on the saved route
Ramps & Exits
8
4 merges, 4 ramps or exits
Navigation Density
32.3 / 100 mi
Decision points by distance
Main Roads
Baltimore-Washington Parkway
27.1 mi · 30%
Indian Head Highway
17.2 mi · 19%
Anacostia Freeway
8.43 mi · 9%
John F. Kennedy Memorial Highway
8.15 mi · 9%
Express Toll Lanes
7.68 mi · 9%
Harbor Tunnel Thruway
7.28 mi · 8%
Longest Stretch

Baltimore-Washington Parkway

Merge slight left onto Baltimore-Washington Parkway

27.1 mi · 00h 37m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
02h 10m
Day trip friendly
Same-Day Return
04h 22m
Round-trip wheel time
Road vs Air
+12.8 mi
77.1 mi direct line
Halfway Stop
Maryland City
01h 05m from South Bel Air
Leave By
2:08 PM EDT
Morning start is best
Weather Watch

Chance Light Rain then Cloudy leaving South Bel Air and Light Rain Likely near Potomac Heights.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from South Bel Air to Potomac Heights?

The road trip is about 89.9 miles (144.6 km) and usually takes 02h 10m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Maryland City is a useful midpoint, sitting about 44.9 miles from South Bel Air and 44.9 miles from Potomac Heights.

How much longer is the road route than the straight-line distance?

The direct path is about 77.1 miles (124 km), while the road route adds roughly 12.8 extra miles because roads do not follow the straight air line.

When is the best time to leave for this route?

A good departure window is usually 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 2:08 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $13.38 one way or $26.77 round trip. Estimated CO2 is about 28.2 kg one way.

What should you check before leaving?

Before you leave, expect Chance Light Rain then Cloudy around South Bel Air and Light Rain Likely near Potomac Heights.

Stop Ideas Near Maryland City

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Maryland City, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Maryland City.

RAIL

BWI Rail Station

15 mi away
7 Amtrak Way
RAIL

New Carrollton station

16 mi away
4300 Garden City Drive
RAIL

Washington Union Station

27 mi away
50 Massachusetts Ave NE
RAIL

Rockville station

28 mi away
251 Hungerford Drive at Park Rd.

Flight Path Map

This map shows the direct air route between South Bel Air and Potomac Heights. Straight-line distance: 77.04 mi (123.98 km).

Photo coming soon

#1 South Bel Air

A census-designated place in Anne Arundel County, Maryland.

Population48,828
Coordinates39.5331600, -76.3374600
Altitude109
CountryUnited States
Potomac Heights

#2 Potomac Heights

Census designated place

Population1,117
Coordinates38.6087300, -77.1405300
Altitude23
CountryUnited States
Start: South Bel Air (-76.33746, 39.53316)
End: Potomac Heights (-77.14053, 38.60873)

Estimated Travel Time

Distance: 145 km by road

SpeedTime
30 mph (48.3 km/h)02h 59m
40 mph (64.37 km/h)02h 14m
50 mph (80.47 km/h)01h 47m
60 mph (96.56 km/h)01h 29m
70 mph (112.65 km/h)01h 17m
80 mph (129 km/h)01h 07m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.17 gal
12 L · about $13.38
Round trip
$26.77
6.34 gal · 24 L
Estimated CO2
28.2 kg one way
Round trip: 56.3 kg / 124 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.22 $13.38 $26.77
Mid-grade $4.84 $15.33 $30.66
Premium $5.18 $16.41 $32.82
Diesel $6.49 $20.59 $41.17

Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.

Prices in Maryland · Sep 23, 2026

There is no time difference between South Bel Air and Potomac Heights. The current time is 12:33:00.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.